package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.util.List;

@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;
    @PostMapping
    public R<String> save(HttpServletRequest request, @RequestBody Category category){
            categoryService.save(category);
            return R.success("新增成功");
    }
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
        Page pageInfo=new Page(page,pageSize);
        LambdaQueryWrapper<Category> lqw=new LambdaQueryWrapper();
        lqw.orderByAsc(Category::getSort);
        categoryService.page(pageInfo,lqw);
        return R.success(pageInfo);
    }
    @DeleteMapping
    public R<String> delete(Long id){
        categoryService.remove(id);
        return R.success("删除成功");
    }
    @PutMapping
    public R<String> update(@RequestBody Category category){
        categoryService.updateById(category);
        return R.success("修改成功");
    }

    /**
     * 根据条件查询分类数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> getall(Category category){
        LambdaQueryWrapper<Category> lambdaQueryWrapper=new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(category.getType()!=null,Category::getType,category.getType());
        lambdaQueryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        List<Category> list = categoryService.list(lambdaQueryWrapper);
        return R.success(list);
    }
}
